122442571 has 2 divisors, whose sum is σ = 122442572. Its totient is φ = 122442570.

The previous prime is 122442539. The next prime is 122442599. The reversal of 122442571 is 175244221.

It is an a-pointer prime, because the next prime (122442599) can be obtained adding 122442571 to its sum of digits (28).

It is a strong prime.

It is a cyclic number.

It is not a de Polignac number, because 122442571 - 2⁵ = 122442539 is a prime.

It is not a weakly prime, because it can be changed into another prime (122442521) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 61221285 + 61221286.

It is an arithmetic number, because the mean of its divisors is an integer number (61221286).

Almost surely, 2^122442571 is an apocalyptic number.

122442571 is a deficient number, since it is larger than the sum of its proper divisors (1).

122442571 is an equidigital number, since it uses as much as digits as its factorization.

122442571 is an evil number, because the sum of its binary digits is even.

The product of its digits is 4480, while the sum is 28.

The square root of 122442571 is about 11065.3771286839. The cubic root of 122442571 is about 496.5665717742.

Adding to 122442571 its reverse (175244221), we get a palindrome (297686792).

The spelling of 122442571 in words is "one hundred twenty-two million, four hundred forty-two thousand, five hundred seventy-one".